Home / 210,192.20-290,071.39-114,705.05

Finding the Fourth Proportional to 210,192.20, 290,071.39 and 114,705.05

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Solution

The fourth proportional to 210,192.20, 290,071.39 and 114,705.05 is: 158,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,192.20 : 290,071.39 = 114,705.05 : x
  2. Step 2: Convert to fraction form
    210,192.20/290,071.39 = 114,705.05/x
  3. Step 3: Cross multiply
    210,192.20x = 290,071.39 × 114,705.05
  4. Step 4: Simplify right side
    210,192.20x = 33,272,653,293.52
  5. Step 5: Solve for x
    x = 33,272,653,293.52/210,192.20
  6. Step 6: Final answer
    x = 158,296.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.